CN103090210B - Light-emitting device and method for manufacturing lamp of light-emitting device - Google Patents
Light-emitting device and method for manufacturing lamp of light-emitting device Download PDFInfo
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- CN103090210B CN103090210B CN201110343778.9A CN201110343778A CN103090210B CN 103090210 B CN103090210 B CN 103090210B CN 201110343778 A CN201110343778 A CN 201110343778A CN 103090210 B CN103090210 B CN 103090210B
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 75
- 230000003287 optical effect Effects 0.000 claims description 48
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical group 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
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- 238000003466 welding Methods 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A light-emitting device comprises at least one light-emitting element and a lamp. The lamp comprises a seat, a metal base circuit board and a power driving unit. The seat is provided with a first side and a second side opposite to the first side, the metal base circuit board is arranged on the first side of the seat and comprises a base portion and a plurality of extending portions, the extending portions are bent from the periphery of the base portion and arranged at intervals, the base portion is provided with a plurality of through holes, the extending portions are embedded into the seat, the light-emitting elements are arranged on the base portion, the power driving unit comprises a circuit substrate, a first end of the circuit substrate is provided with a plurality of convex columns, and the convex columns correspondingly penetrate through the through holes and are electrically connected with the metal base circuit board. Besides, the invention further provides a method for manufacturing the lamp.
Description
Technical field
The present invention relates to a kind of light-emitting device, particularly a kind of production process simple and easy, there is great heat radiation effect and insulating properties, and use light emitting diode as the light-emitting device of light emitting source.
Background technology
Light emitting diode (light emitting diode, LED) have that volume is little, long service life, not cracky, the advantage such as not mercurous and power saving, therefore little by little replace the status of fluorescent tube and incandescent lamp bulb, be widely used in lighting source and decorative light-source.
Coordinating and consult Fig. 1, is the sectional view of existing light emitting diode bulb.This light emitting diode bulb comprises pedestal 50, circuit board 52, multiple light emitting diode 54, conductive contact 56, lampshade 58 and a power source drive unit 59.This pedestal 50 is a hollow tube, the outside wall surface of this pedestal 50 is around being arranged with multiple fin 51, the plurality of fin 51 can increase the area of dissipation of this pedestal 50 effectively, and the heat energy produced when the plurality of light emitting diode 54 is lighted conducts in outside air rapidly.This circuit board 52 is arranged at this pedestal 50, and is formed with this power source drive unit 59 be electrically connected by multiple conducting wires 53.The plurality of light emitting diode 54 is arranged at this circuit board 52 and is electrically connected on this circuit board 52; This conductive contact 56 connects the side that this pedestal 50 arranges this circuit board 52 on the contrary, and is formed with this power source drive unit 59 be electrically connected by two power lines 57.This lampshade 58 is arranged at the side that this pedestal 50 arranges the plurality of light emitting diode 54, and makes the plurality of light emitting diode 54 between this lampshade 58 and this pedestal 50.
But, because this power source drive unit 59 must be electrically connected to be formed respectively by the plurality of wire 53 and power line 57 with this circuit board 52 and this conductive contact 56, thus, not only increase the degree of difficulty of production process and making, and overall cost of manufacture is increased.
Background technology: 50-pedestal; 52-circuit board; 53-wire; 54-light emitting diode; 56-conductive contact; 57-power line; 58-lampshade; 59-power source drive unit;
The present invention: 10,10a, 20,30,30a-light-emitting device; 11,21,31-light fixture; 110,210,310-metal-based circuit board; 112,212,312-base portion; 113,213,313-upper surface; 114,214,314-extension; 115,215,315-fluting; 116,216,316-perforation; 12,22,32-light-emitting component; 130,230,330-power source drive unit; 132,232,332-circuit substrate; 1320,2320,3320-first end; 1321,2321,3321-projection; 1322,2322,3322-the second end; 1323,2323-groove; 1325,2325,3325-wiring; 1326,2326,3326-plate face; 134,234,334-electronic component; 140,240,340-pedestal; 141,241,341-conductive particle; 142,242,342-first side; 1420,2420,3420-surrounding wall; 1421,2421-internal face; 1422,2422-draw-in groove; 1423,2423-outside wall surface; 1424,2424,3424-fin; 144,244,344-second side; 150,250,350,350a-conductive connecting pin; 160-filling member; 170-diffused component; 172-buckle; 180,280,380-optical element; 181-body; 182,282,382-light in part; 1820-bottom surface; 1821-groove; 1822-reflecting surface; 184-first light out part; 1842-first exiting surface; 1844-second exiting surface; 185-end face; 186-second light out part; 2820,3820-depression; 284,384-light out part; 286-support member; 290-fastener; 292-trip; 318-perforate; 386-holding section; I-optical axis.
Summary of the invention
Described in prior art, an object of the present invention, is to provide a kind of light-emitting device, and the production process of this light-emitting device is simple and easy and effectively can reduce cost of manufacture, and has more lightweight and that insulating properties is good advantage.
Another object of the present invention, is the preparation method providing a kind of light fixture, effectively can simplifies processing procedure, and then reduces integral manufacturing cost.
For reaching above-mentioned purpose, the invention provides a kind of light-emitting device, comprising:
At least one light-emitting component;
One light fixture, comprises:
One pedestal, has one first side and in contrast to the second side of this first side;
One metal-based circuit board, be arranged at this first side of this pedestal, this metal-based circuit board comprises a base portion and multiple by this base peripheral bending forming and spaced extension, and this base portion has multiple perforation, this extension is embedded in this pedestal, and this light-emitting component is arranged at this base portion;
One power source drive unit, comprises a circuit substrate, and a first end of this circuit substrate has multiple projection, and the plurality of projection runs through the plurality of perforation accordingly and formed with this metal-based circuit board and is electrically connected.
Described light-emitting device, wherein, more comprises a diffused component, is arranged at this first side of this pedestal and this light-emitting component coated.
Described light-emitting device, wherein, this diffused component comprises multiple buckle, the plurality of buckle accordingly clip in multiple draw-in grooves of an internal face of this pedestal.
Described light-emitting device, wherein, more comprises an optical lens, is arranged at this first side of this pedestal and this light-emitting component coated.
Described light-emitting device, wherein, this optical lens has an optical axis, and this optical lens comprises:
One body, comprises:
One light in part, comprise a bottom surface and a reflecting surface, this bottom surface has a groove, this reflecting surface be connected to this bottom surface and the distance of this reflecting surface and this optical axis along with increasing away from this bottom surface gradually, this light-emitting component is arranged at this groove;
One first light out part, is connected to this reflecting surface, and this first light out part has an end face, and this end face is along with moving closer to this optical axis and close gradually toward the direction of this bottom surface; And
One second light out part, connects this end face and is positioned at above this groove.
Described light-emitting device, wherein, this end face comprises multiple staggered first exiting surface and the second exiting surface, and this second exiting surface is perpendicular to this bottom surface, and this first exiting surface is parallel to bottom surface, makes this first light out part stepped.
Described light-emitting device, wherein, this optical lens comprises multiple light in part and a light out part, and the plurality of light in part connects this light out part and protrudes towards the direction away from this light out part, and respectively this light in part has a depression, and this light-emitting component is arranged at this depression.
Described light-emitting device, wherein, more comprise a fastener, this fastener has multiple trip, and the plurality of trip is sticked in multiple draw-in grooves of this pedestal.
Described light-emitting device, wherein, this pedestal comprises multiple fin being formed at an outside wall surface.
Described light-emitting device, wherein, this pedestal uses thermosetting plastic or thermoplastic plastic to make and forms.
Described light-emitting device, wherein, this pedestal comprises multiple conductive particle with high thermal conductivity coefficient.
Described light-emitting device, wherein, this conductive particle is metal oxide powder, powdered graphite or ceramic powders.
Described light-emitting device, wherein, a upper surface of at least one plate face this base portion vertical of this circuit substrate.
Described light-emitting device, wherein, this light fixture more comprises an optical lens, this optical lens comprises multiple light in part and a light out part, the plurality of light in part connects this light out part and protrudes towards the direction away from this light out part, and respectively this light in part has a depression, and this light-emitting component is arranged at this depression.
The present invention also provides a kind of preparation method of light fixture, and this light fixture and at least one light-emitting component are combined into a light-emitting device, and the preparation method of this light fixture comprises:
Step a-have one multiple perforation metal-based circuit board and corresponding with multiple projections of a circuit substrate of a power source drive unit combine and formed be electrically connected;
Step b-forms the pedestal of a part of this metal-based circuit board coated and this power source drive unit in this metal-based circuit board and this power source drive unit periphery.
The preparation method of described light fixture, wherein, this pedestal comprises multiple conductive particle with high thermal conductivity coefficient.
The preparation method of described light fixture, wherein, before step a, more comprises a step a0:
Become multiple spaced fluting in this metal-based circuit board upper punch swaging, along this grooved bent metal-based circuit board, make formation one base portion and multiple spaced extension.
The preparation method of described light fixture, wherein, after step a, before step b, more comprises a step a1:
Arrange an optical element in this metal-based circuit board, this optical element has multiple holding section, is sticked in multiple perforates of this metal-based circuit board accordingly, this pedestal part this optical element coated.
This light fixture of light-emitting device of the present invention is directly assembled this circuit substrate of this power source drive unit and this metal-based circuit board and is formed electrical connection, thus, not only effectively can simplify operation and can reduce cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing light emitting diode bulb;
Fig. 2 is the sectional perspective exploded view of the light-emitting device of first embodiment of the invention;
Fig. 3 is the local constitutional diagram of the light-emitting device of first embodiment of the invention;
Fig. 4 is the sectional view of the light-emitting device of first embodiment of the invention;
Fig. 5 is the partial exploded view of the light-emitting device of first embodiment of the invention;
Fig. 6 is the partial exploded view of the light-emitting device of second embodiment of the invention;
Fig. 7 is the sectional view of the light-emitting device of second embodiment of the invention;
Fig. 8 is the partial exploded view of the light-emitting device of third embodiment of the invention;
Fig. 9 is the local constitutional diagram of the light-emitting device of third embodiment of the invention;
Figure 10 is the partial exploded view of the light-emitting device of third embodiment of the invention;
Figure 11 is the sectional view of the light-emitting device of third embodiment of the invention;
Figure 12 is the partial exploded view of the light-emitting device of fourth embodiment of the invention;
Figure 13 is the local constitutional diagram of the light-emitting device of fourth embodiment of the invention;
Figure 14 is the sectional view of the light-emitting device of fourth embodiment of the invention;
Figure 15 is the local constitutional diagram of the light-emitting device of fifth embodiment of the invention;
Figure 16 is the partial exploded view of the light-emitting device of fifth embodiment of the invention;
Figure 17 is the sectional view of the light-emitting device of fifth embodiment of the invention.
Description of reference numerals:
Detailed description of the invention
Consult annexed drawings, object of the present invention, feature and advantage by described by the following illustrative of preferred embodiment of the present invention and non-limiting detailed description with to understand better, in annexed drawings, same reference numbers system is used for identity element or like.
Coordinate and consult Fig. 2, Fig. 3 and Fig. 4, be respectively the sectional perspective exploded view of the light-emitting device of first embodiment of the invention, sectional perspective constitutional diagram and sectional view.In the present embodiment, this light-emitting device 10 illustrates for GU10 bulb, actual when implementing this light-emitting device 10 can be the dissimilar bulb of PAR series (PAR series) bulb, A19, A20, A60, G30 etc.This light-emitting device 10 comprises a light fixture 11 and at least one light-emitting component 12, and this light fixture 11 comprises a metal-based circuit board (metal core printed circuit board, MCPCB) 110, one power source drive unit 130 and a pedestal 140.
This metal-based circuit board 110 has good heat conductivity and preformed multiple wiring (not shown) and multiple weld pad (not shown) on it, and this metal-based circuit board 110 comprises a base portion 112 and multiple from this base portion 112 periphery bending forming and spaced extension 114.This base portion 112 comprises multiple perforation 116, and in the present embodiment, perforation 116 is for two.When reality is implemented, this metal-based circuit board 110 is pre-formed multiple spaced fluting 115 by punching press processing procedure, and bends the plurality of extension 114 and make the outward appearance of this metal-based circuit board 110 roughly cup-shaped.
This light-emitting component 12 is arranged at this metal-based circuit board 110, and preferably, and the upper surface 113 being formed with this metal-based circuit board 110 that this light-emitting component 12 is arranged at this base portion 112 is electrically connected; Wherein, the quantity of this light-emitting component 12 can be one or more, and in the present embodiment, light-emitting component 12 is for one, and this light-emitting component 12 is preferably High Power LED.
This power source drive unit 130 comprises a circuit substrate 132 and is arranged at multiple electronic components 134 at least one plate face 1326 of this circuit substrate 132, this circuit substrate 132 preferably can for printed circuit board (PCB) (PCB) and its be pre-formed with multiple wiring 1325 and weld pad (not shown), in the present embodiment, illustrate for two wirings, do not limit with this during actual enforcement.This circuit substrate 132 comprises a first end 1320 and in contrast to the second end 1322 of this first end 1320, and this first end 1320 has multiple projection 1321 and the corresponding the plurality of perforation 116 of the plurality of projection 1321 is arranged; In the present embodiment, this first end 1320 is to comprise two projections 1321, and these two projections 1321 are respectively to should two perforation 116 arrange.
The plurality of projection 1321 runs through the plurality of perforation 116, makes this upper surface 113 of this plate face 1326 this metal-based circuit board 110 substantially vertical, and the plurality of wiring 1325 is formed with this metal-based circuit board 110 by the plurality of projection 1321 and is electrically connected.Wherein, this metal-based circuit board 110 and this circuit substrate 132 can by welding or applying conductive glue to form electrical connection; Moreover the plurality of wiring 1325 only can be arranged at a wherein plate face 1326 of this circuit substrate 132; Or, the plurality of wiring 1325 can be arranged at two plate faces 1326 of this circuit substrate 132 simultaneously, and the wiring 1325 in this wherein plate face 1326 can pass through an insulating part, as: insulating tape, to reach insulation effect with this metal-based circuit board 110, and then avoid producing short circuit effect.In the present embodiment, this the second end 1322 of this circuit substrate 132 more comprises multiple groove 1323, the plurality of groove 1323 is arranged for two conductive connecting pins 150 of this light-emitting device 10, and these two conductive connecting pins 150 are formed with this power source drive unit 130 and are electrically connected.
This pedestal 140 uses has the macromolecular material of high thermal conductivity coefficient, as thermoplastic plastic, thermosetting plastic etc., by the integrated structure of injection molding method, its have lightweight, make the advantages such as simple and good insulation effect.Further, in this macromolecular material, be added with multiple conductive particle 141, as metal oxide powder, powdered graphite or ceramic powders etc., make the heat energy that the pedestal after ejection formation 140 can produce when this light-emitting component 12 of diversion is lighted rapidly.
Coordinate simultaneously and consult Fig. 4 and Fig. 5, this pedestal 140 has one first side 142 and one second side 144 in contrast to this first side, and this first side 142 is roughly cup-shaped and have a surrounding wall 1420, and an internal face 1421 of this surrounding wall 1420 has multiple draw-in groove 1422; One outside wall surface 1423 of this surrounding wall 1420 has multiple fin 1424, the plurality of fin 1424 is formed in one with this pedestal 140, and there is in it the plurality of conductive particle 141, the plurality of fin 1424 is main in order to increase the area of dissipation of this pedestal 140, and then promotes the radiating effect of this pedestal 140.This metal-based circuit board 110 is arranged at this first side 142, and this extension 114 is embedded in this pedestal 140.This second side 144 connects this first side 142 also roughly in a tubular form, and the plurality of conductive connecting pin 150 runs through the root edge of this second side 144 for being inserted in an outside lamp socket (non-accompanying drawing).
The flow process of this light-emitting device 10 of actual fabrication is carefully stated as follows: first, on this metal-based circuit board 110, multiple spaced fluting 115 is formed by punching press processing procedure, bend this metal-based circuit board 110 along this fluting 115 and make formation one base portion 112 and multiple extension 114, and form multiple perforation 116 in this base portion 112.Then, multiple projections 1321 of a circuit substrate 132 of a power source drive unit 130 are run through the plurality of perforation 116 and formed with this metal-based circuit board 110 be electrically connected.
Afterwards, this metal-based circuit board 110 combining and this power source drive unit 130 are imbedded in the ejection shaping die of this pedestal 140, make this pedestal 140 directly be coated on this extension 114 and this power source drive unit 130 of this metal-based circuit board 110; Thus, the engaging force between this metal-based circuit board 110 and this pedestal 140 can be promoted, avoid coming off because of external force extruding, and, the heat energy produced when can make to light this light-emitting component 12 is passed to this pedestal 140 via this extension 114 rapidly, and is caused in outside air by multiple fin 1424 dissipation being formed at this pedestal 140.Then, by this light-emitting component 12 via welding processing procedure to be arranged at this metal-based circuit board 110.Or, this light-emitting component 12 can first by welding processing procedure to be arranged at this metal-based circuit board 110, afterwards, again the metal-based circuit board 110 being provided with this light-emitting component 12 be combined with this power source drive unit 130 and imbed in the ejection shaping die of this pedestal 140, making this pedestal 140 be coated on the plurality of extension 114 and this power source drive unit 130 of this metal-based circuit board 110.
Moreover, because the thickness of this circuit substrate 132 is much smaller than its width, therefore, avoid the thickness of this pedestal 140 of this power source drive unit 130 coated blocked up, before this pedestal 140 ejection formation, a filling member 160 can be set respectively in the both sides of this circuit substrate 132, as shown in Figure 5, this filling member 160 can be preferably a plastic parts, silica gel or epoxy resin, then do not limit with this during actual enforcement, thus, the consistency of thickness of this pedestal 140 can be made, and can effectively reduce cost of manufacture and prevent this pedestal 110 to be out of shape.
In addition, this light-emitting device 10 more comprises a diffused component 170, this diffused component 170 is arranged at this first side 142 of this pedestal 140 and this light-emitting component 130 coated, this diffused component 170 comprises multiple buckle 172, the plurality of buckle 172 accordingly clip in the plurality of draw-in groove 1422, this diffused component 170 is made to be positioned at above this light-emitting component 130, this diffused component 170 can disperse the light that light-emitting component 12 provides, to promote the integral color uniformity of this light-emitting device 10, and then obtain ideal optical quality.
Coordinate and consult Fig. 6 and Fig. 7, be respectively sectional perspective exploded view and the sectional view of the light-emitting device of second embodiment of the invention.The light-emitting device 10a of the present embodiment is roughly identical with above-mentioned first embodiment, difference is that the light-emitting device of the present embodiment more comprises an optical lens 180, this optical lens 180 is arranged at this first side of this pedestal 140, and between this light-emitting component 12 and this diffused component 170 and this light-emitting component 12 coated, thus change the light intensity distributions of the light passed through.This optical lens 180 can be the lens with spotlight effect, light-dispersing effect according to the light-out effect of light source module 10a.
In the present embodiment, this optical lens 180 has an optical axis I, and this optical axis I roughly overlaps with the emergent shaft of this light-emitting component 12.This optical lens 180 comprises the body 181 of a printing opacity, and it can adopt the light-permeable such as glass, plastic cement material to make.This body 181 has light in part 182,1 first light out part 184 and one second light out part 186, and this light in part 182 has bottom surface 1820 and a reflecting surface 1822, and this bottom surface 1820 has a groove 1821, and this light-emitting component 12 is arranged at this groove 1821.This reflecting surface 1822 is connected to this bottom surface 1820 and this first light out part 184, and the distance of this reflecting surface 1822 and this optical axis I is along with increasing away from this bottom surface 1820 gradually.This first light out part 184 is connected to this reflecting surface 1822, and has an end face 185, and this end face 185 is along with moving closer to this optical axis I and close gradually toward the direction of this bottom surface 1820.This end face 185 includes multiple first exiting surface 1842 and the second exiting surface 1844 that be staggered; In the present embodiment, this first exiting surface 1842 is roughly parallel to this bottom surface 1820, and this second exiting surface 1844 is approximately perpendicular to this bottom surface 1820, makes this first light out part 184 stepped; Further, this second exiting surface 1844 successively decreases in the length in the direction of this bottom surface 1820 vertical along with moving closer to this optical axis I.Thus, the distance that light is passed to this first light out part 184 can be shortened, the loss produced when reduction light is transmitted in optical lens 180, reduce thickness and the weight of this optical lens 180 entirety further.When reality is implemented, the direct of travel of the light that can be passed through with control relative to the angle of inclination of a plane of vertical this optical axis I by the plurality of first exiting surface 1842 of the first light out part 184 of this optical lens 180 of adjustment.
This second light out part 186 connects this end face 185 and is roughly positioned at above this groove 1821, this second light out part 186 is a Fresnel Lenses (Fresnel Lens), further, this second light out part 186 can for having the Fresnel Lenses of light-focusing function or diverging light function.
Coordinate and consult Fig. 8, Fig. 9, Figure 10 and Figure 11, be respectively the partial exploded view of the light-emitting device of third embodiment of the invention, local constitutional diagram, partial exploded view and sectional view.This light-emitting device 20 comprises a light fixture 21, multiple light-emitting component 22, optical lens 280 and a fastener 290, and this light fixture 21 comprises metal-based circuit board 210, power source drive unit 230 and a pedestal 240.
This metal-based circuit board 210 is pre-formed with multiple wiring (not shown) and weld pad (not shown), this metal-based circuit board 210 comprises a base portion 212 and multiple from this base portion 212 periphery bending forming and spaced extension 214, this base portion 212 has multiple perforation 216, in the present embodiment, 216 are bored a hole for two.When reality is implemented, this metal-based circuit board 210 is pre-formed multiple spaced fluting 215 by punching press processing procedure, and bends this extension 214 and make this extension 214 be approximately perpendicular to this base portion 212.
The plurality of light-emitting component 22 is arranged at a upper surface 213 of this base portion 212, and is formed with this metal-based circuit board 210 and be electrically connected, in the present embodiment, light-emitting component 22 is for four, then do not limit with this during actual enforcement, and the plurality of light-emitting component 22 is preferably High Power LED.
This power source drive unit 230 comprises a circuit substrate 232 and is arranged at least one electronic component 234 at least one plate face 2326 of this circuit substrate 232, and this circuit substrate 232 preferably can for printed circuit board (PCB) and its be pre-formed with multiple wiring 2325 and weld pad (not shown); In the present embodiment, illustrate for two wirings 2325, do not limit with this during actual enforcement.This circuit substrate 232 comprises a first end 2320 and in contrast to the second end 2322 of this first end 2320, this first end 2320 has multiple projections 2321 that corresponding the plurality of perforation 216 is arranged, in the present embodiment, this first end 2320 is to comprise two projections 2321.The plurality of projection 2321 runs through the plurality of perforation 216, makes this upper surface 231 of this plate face 2326 this metal-based circuit board 210 substantially vertical, and the plurality of wiring 2325 is formed with this metal-based circuit board 210 by the plurality of projection 2321 and is electrically connected.This second end 2322 of this circuit substrate 232 more comprises multiple groove 2323, and the plurality of groove 2323 is arranged for two conductive connecting pins 250 of this light-emitting device 20, and these two conductive connecting pins 250 are formed with this power source drive unit 230 and are electrically connected.
This pedestal 240 uses the macromolecular material with high thermal conductivity coefficient by the integrated structure of injection molding method, its have lightweight, make the advantages such as simple and good insulation effect, and in this macromolecular material, be added with multiple conductive particle 241.This pedestal 240 has one first side 242 and one second side 244 in contrast to this first side, and this first side 242 is roughly cup-shaped and have a surrounding wall 2420, and an internal face 2421 of this surrounding wall 2421 has multiple draw-in groove 2422.One outside wall surface 2423 of this surrounding wall 2420 has multiple fin 2424, and the plurality of fin 2424 is main in order to increase the area of dissipation of this pedestal 240, and then promotes the radiating effect of this pedestal 240.This metal-based circuit board 210 is arranged at this first side 242, and this extension 214 is embedded in this pedestal 240.This second side 244 connects this first side 242 also roughly in a tubular form, and the plurality of conductive connecting pin 250 runs through the root edge of this second side 244 for being inserted in an outside lamp socket (non-accompanying drawing).
This pedestal 240 is coated on this extension 214 and this power source drive unit 230 of this metal-based circuit board 210, to promote the engaging force between metal-based circuit board 210 and this pedestal 240, avoids coming off because of external force extruding.
In addition, this optical lens 280 is arranged at this first side 242 of this pedestal 240 and coated the plurality of light-emitting component 22, this optical lens comprises multiple light in part 282 and a light out part 284, and in the present embodiment, the quantity of the plurality of light in part 282 equals the quantity of the plurality of light-emitting component 230.The plurality of light in part 282 connects this light out part 284 and is that arc-shaped is protruded towards the direction away from this light out part 284, and respectively this light in part 282 has a depression 2820, and the plurality of light-emitting component 22 is arranged at this depression 2820.
This optical lens 280 more comprises multiple support member 286, and the plurality of support member 286 is resisted against this metal-based circuit board 210, the support of this optical lens 280 to be stood on above the plurality of light-emitting component 280.
This fastener 290 has multiple trip 292, and the plurality of trip 292 is sticked in the plurality of draw-in groove 2422 of this pedestal 240 and this optical lens 280 fastening.
Coordinate and consult Figure 12, Figure 13 and Figure 14, be respectively the partial exploded view of the light-emitting device of fourth embodiment of the invention, local constitutional diagram and sectional view.In the present embodiment, this light-emitting device 30 illustrates for MR16 bulb, does not then limit with this during actual enforcement.This light-emitting device 30 comprises a light fixture 31 and at least one light-emitting component 32, and this light fixture 31 comprises metal-based circuit board 310, power source drive unit 330, pedestal 340 and an optical element 380.
This metal-based circuit board 310 comprises a base portion 312 and multiple from this base portion 312 periphery bending forming and spaced extension 314, and in the present embodiment, this extension 314 is approximately perpendicular to this base portion 312.This base portion 312 comprises multiple perforation 316 and multiple perforate 318, and in the present embodiment, perforation 316 is for two, and perforate 318, for four, is not then limit with this during actual enforcement.
The upper surface 313 being formed with this metal-based circuit board 310 that the plurality of light-emitting component 32 is arranged at this base portion 312 is electrically connected, and in the present embodiment, light-emitting component 32 for seven, and can be preferably High Power LED, does not then limit with this during actual enforcement.
This power source drive unit 330 comprises a circuit substrate 332 and is arranged at least one electronic component 334 at least one plate face 3326 of this circuit substrate 332, and this electronic component 334 can be such as power supply changeover device or other active, passive type electronic component.This circuit substrate 332 preferably can for printed circuit board (PCB) and its be pre-formed with multiple wiring 3325 and weld pad (not shown); In the present embodiment, illustrate for two wirings 3325, do not limit with this during actual enforcement.
One first end 3320 of this circuit substrate 332 comprises multiple projection 3321, and in the present embodiment, projection 3321 is for two.The plurality of projection 3321 runs through the plurality of perforation 316, makes this upper surface 313 of this plate face 3326 this metal-based circuit board 310 substantially vertical, and the plurality of wiring 3325 is formed with this metal-based circuit board 310 by the plurality of projection 3321 and is electrically connected.
This optical element 380 comprises multiple light in part 382, light out part 384 and multiple holding section 386, the plurality of light in part 382 connects this light out part 384 and is that arc-shaped is protruded towards the direction away from this light out part 384, respectively this light in part 382 has a depression 3820, and respectively this light-emitting component 32 is arranged at this depression 3820; In the present embodiment, the quantity of the plurality of light in part 382 equals the quantity of the plurality of light-emitting component 330.The corresponding the plurality of perforate 318 in the plurality of holding section 386 is arranged, and the quantity of the plurality of holding section 386 equals the quantity of the plurality of perforate 318, the plurality of holding section 386 is sticked in the plurality of perforate 318 makes this optical element 380 be combined with this metal-based circuit board 310, in the present embodiment, the plurality of holding section 386 is for four.
This pedestal 340 uses the macromolecular material with high thermal conductivity coefficient by the integrated structure of injection molding method, its have lightweight, make the advantages such as simple and good insulation effect, and in this macromolecular material, be added with multiple conductive particle 341.The coated the plurality of extension 314 of this pedestal 340, this power source drive unit 330 and this optical element 380, to promote metal-based circuit board 310, engaging force between this optical element 380 and this pedestal 340, avoid coming off because external force extruding.One first side 342 of this pedestal 340 is roughly cup-shaped and have a surrounding wall 3420, and an outside wall surface of this surrounding wall 3420 has multiple fin 3424, and the plurality of fin 3424 can promote the radiating effect of this pedestal 340 effectively.This metal-based circuit board 310 is arranged at this first side 342, and this extension 314 is embedded in this pedestal 340, and this optical element 380 is arranged at this first side 342 and these light-emitting components 32 coated.One second side 344 of this pedestal 340 is in contrast to this first side 342 and connect this first side 342 and roughly in a tubular form, multiple conductive connecting pins 350 run through the root edge of this second side 344, and the second end 3322 and being formed with this circuit substrate 332 connecting this circuit substrate 332 is electrically connected; In the present embodiment, the plurality of conductive connecting pin 350 is the pin of corresponding MR16 bulb.
The flow process of this light-emitting device 30 of actual fabrication is carefully stated as follows: first, on this metal-based circuit board 310, multiple spaced fluting 315 is formed by punching press processing procedure, bend this metal-based circuit board 310 along this fluting 315 and make formation one base portion 312 and multiple extension 314, and form multiple perforation 316 and multiple perforate 318 in this base portion 312.Then, multiple projections 3321 of a circuit substrate 332 of a power source drive unit 330 are run through the plurality of perforation 316 to be formed with this metal-based circuit board 310 and be electrically connected.
Multiple light-emitting component 32 is arranged at this base portion 312 and is formed with this metal-based circuit board 310 and be electrically connected; Further, the holding section 386 of an optical element 380 is sticked in the plurality of perforate 318 accordingly, thus fixes this optical element 380.
Afterwards, this metal-based circuit board 310 combining and this power source drive unit 330 are imbedded in the ejection shaping die of this pedestal 340, make this pedestal 340 directly be coated on this optical element 380 of this extension 314 of this metal-based circuit board 310, this power source drive unit 330 and part.
Coordinating and consult Figure 15, Figure 16 and Figure 17, is the partial exploded view of the light-emitting device of fifth embodiment of the invention, locally constitutional diagram and sectional view.The light-emitting device 30a of the present embodiment is roughly similar to above-mentioned first embodiment, difference is its conductive connecting pin 350a, and this conductive connecting pin 350a is the pin of GU10 bulb, for the Inserted lamp socket being inserted in GU5.3 or GX5.3 and so on, this part is only citing, but is not limited thereto.
Comprehensive the above, this circuit substrate of this power source drive unit of light-emitting device of the present invention is directly formed with this metal-based circuit board and is electrically connected, and thus, not only effectively can simplify operation and also can reduce cost of manufacture; Further, this pedestal uses the plastic material being mixed with conductive particle to make, can diversion lighting elements effectively time the heat energy that produces, and have handling ease, lightweight, there is the advantages such as preferably flexible resistance and insulating properties be good; And, by bending this metal-based circuit board, and make the plurality of extension of this metal-based circuit board imbed this pedestal, thus, can rapidly diversion light-emitting component produce heat energy, avoid light-emitting component to produce brightness reduction, lifetime and wavelength drift because working in hot environment, the situation even damaged produces.
But the above, be only preferred embodiment of the present invention, when not limiting scope of the invention process, namely all equalizations done according to the present patent application the scope of the claims change and modify, and all still should belong to the category of patent covering scope of the present invention intention protection.
Claims (8)
1. a light-emitting device, is characterized in that, comprises:
At least one light-emitting component;
One light fixture, comprises:
One pedestal, has one first side and in contrast to the second side of this first side;
One metal-based circuit board, be arranged at this first side of this pedestal, this metal-based circuit board comprises a base portion and multiple by this base peripheral bending forming and spaced extension, and this base portion has multiple perforation, this extension is embedded in this pedestal, and this light-emitting component is arranged at this base portion;
One power source drive unit, comprises a circuit substrate, and a first end of this circuit substrate has multiple projection, and the plurality of projection runs through the plurality of perforation accordingly and formed with this metal-based circuit board and is electrically connected;
One diffused component, is arranged at this first side of this pedestal and this light-emitting component coated; And
One optical lens, is arranged at this first side of this pedestal, and between this light-emitting component and this diffused component and this light-emitting component coated, this optical lens has an optical axis, and this optical lens comprises:
One body, comprises:
One light in part, comprise a bottom surface and a reflecting surface, this bottom surface has a groove, this reflecting surface be connected to this bottom surface and the distance of this reflecting surface and this optical axis along with increasing away from this bottom surface gradually, this light-emitting component is arranged at this groove;
One first light out part, is connected to this reflecting surface, and this first light out part has an end face, and this end face is along with moving closer to this optical axis and close gradually toward the direction of this bottom surface; And
One second light out part, connects this end face and is positioned at above this groove;
Wherein, this metal-based circuit board combining and this power source drive unit are imbedded in the ejection shaping die of this pedestal, make this pedestal directly this extension of this metal-based circuit board coated and this power source drive unit.
2. light-emitting device as claimed in claim 1, it is characterized in that, this diffused component comprises multiple buckle, the plurality of buckle accordingly clip in multiple draw-in grooves of an internal face of this pedestal.
3. light-emitting device as claimed in claim 1, it is characterized in that, this end face comprises multiple staggered first exiting surface and the second exiting surface, and this second exiting surface is perpendicular to this bottom surface, and this first exiting surface is parallel to bottom surface, makes this first light out part stepped.
4. light-emitting device as claimed in claim 1, it is characterized in that, this pedestal comprises multiple fin being formed at an outside wall surface.
5. light-emitting device as claimed in claim 1, is characterized in that, this pedestal uses thermosetting plastic or thermoplastic plastic to make.
6. light-emitting device as claimed in claim 1, it is characterized in that, this pedestal comprises multiple conductive particle with high thermal conductivity coefficient.
7. light-emitting device as claimed in claim 6, it is characterized in that, this conductive particle is metal oxide powder, powdered graphite or ceramic powders.
8. light-emitting device as claimed in claim 1, is characterized in that, a upper surface of at least one plate face this base portion vertical of this circuit substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110343778.9A CN103090210B (en) | 2011-11-03 | 2011-11-03 | Light-emitting device and method for manufacturing lamp of light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110343778.9A CN103090210B (en) | 2011-11-03 | 2011-11-03 | Light-emitting device and method for manufacturing lamp of light-emitting device |
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| Publication Number | Publication Date |
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| CN103090210A CN103090210A (en) | 2013-05-08 |
| CN103090210B true CN103090210B (en) | 2015-07-01 |
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| CN201110343778.9A Expired - Fee Related CN103090210B (en) | 2011-11-03 | 2011-11-03 | Light-emitting device and method for manufacturing lamp of light-emitting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI506227B (en) * | 2014-08-05 | 2015-11-01 | Lite On Technology Corp | Light-emitting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2618047Y (en) * | 2003-03-17 | 2004-05-26 | 苏国棻 | LED projecting light |
| CN2618048Y (en) * | 2003-03-17 | 2004-05-26 | 苏国棻 | Focusing projective light |
| CN201016441Y (en) * | 2007-01-08 | 2008-02-06 | 蔡宗勋 | Backlight modular |
| CN201196404Y (en) * | 2008-04-08 | 2009-02-18 | 山巨科技股份有限公司 | Radiating structure of LED |
| TWM362926U (en) * | 2008-12-29 | 2009-08-11 | Cooler Master Co Ltd | LED lamp component |
| CN201696921U (en) * | 2010-05-13 | 2011-01-05 | 深圳市旭翔光电科技有限公司 | LED illuminating lamp bulb |
| CN202024114U (en) * | 2010-12-21 | 2011-11-02 | 宝霖科技股份有限公司 | Light emitting diode lamp |
| CN202327707U (en) * | 2011-11-03 | 2012-07-11 | 讯凯国际股份有限公司 | Light-emitting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2836208B1 (en) * | 2002-02-21 | 2004-09-03 | Valeo Vision | SIGNALING LIGHT COMPRISING AN OPTICAL PART PROVIDING AN AUTONOMOUS SIGNALING FUNCTION |
| CN201293279Y (en) * | 2008-10-16 | 2009-08-19 | 郑榕彬 | LED illumination lamp |
-
2011
- 2011-11-03 CN CN201110343778.9A patent/CN103090210B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2618047Y (en) * | 2003-03-17 | 2004-05-26 | 苏国棻 | LED projecting light |
| CN2618048Y (en) * | 2003-03-17 | 2004-05-26 | 苏国棻 | Focusing projective light |
| CN201016441Y (en) * | 2007-01-08 | 2008-02-06 | 蔡宗勋 | Backlight modular |
| CN201196404Y (en) * | 2008-04-08 | 2009-02-18 | 山巨科技股份有限公司 | Radiating structure of LED |
| TWM362926U (en) * | 2008-12-29 | 2009-08-11 | Cooler Master Co Ltd | LED lamp component |
| CN201696921U (en) * | 2010-05-13 | 2011-01-05 | 深圳市旭翔光电科技有限公司 | LED illuminating lamp bulb |
| CN202024114U (en) * | 2010-12-21 | 2011-11-02 | 宝霖科技股份有限公司 | Light emitting diode lamp |
| CN202327707U (en) * | 2011-11-03 | 2012-07-11 | 讯凯国际股份有限公司 | Light-emitting device |
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|---|---|
| CN103090210A (en) | 2013-05-08 |
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Address after: Chinese Taiwan New Taipei City Applicant after: Cooler Master International Co., Ltd. Applicant after: Cooler Master Co., Ltd. Address before: Chinese Taiwan New Taipei City Applicant before: Xunkai International Co., Ltd. Applicant before: Cooler Master Co., Ltd. |
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